Plant holder



FIG. 1 is a top plan view of a plant holder showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a front elevation thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof, showing a plant pot in shadow which is for illustrative purposes only and does not form any part of the claimed design. 

The ornamental design for a plant holder, as shown and described. 